Update theme colors

Merge version_1 into main

src/app/page.tsx

@@ -61,7 +61,7 @@ export default function LandingPage() {
         <MediaAbout
           title="The Heart of Rapperswil"
           description="KOIVU celebrates Nordic-Eastern European heritage through artisanal craftsmanship. Our café sits on the beautiful Hauptplatz, where every coffee is hand-poured by skilled baristas and every pastry, soup, and pierogi is made fresh daily. We believe in the philosophy of gemütlich — the art of creating warmth, coziness, and genuine human connection through food and coffee."
-          tag="Nordic-Eastern European"
+          tag="Authentic Nordic-Eastern European Café on Rapperswil's Heart"
           buttons={[
             { text: "Our Story", href: "#menu-highlights" }
           ]}

src/app/styles/variables.css

@@ -10,15 +10,15 @@
   --accent: #ffffff;
   --background-accent: #ffffff; */
 
-  --background: #f5f5f5;
-  --card: #ffffff;
-  --foreground: #1c1c1c;
-  --primary-cta: #1f3251;
-  --primary-cta-text: #f5f5f5;
-  --secondary-cta: #ffffff;
-  --secondary-cta-text: #1c1c1c;
-  --accent: #15479c;
-  --background-accent: #a8cce8;
+  --background: #fffefe;
+  --card: #f6f7f4;
+  --foreground: #080908;
+  --primary-cta: #0e3a29;
+  --primary-cta-text: #fffefe;
+  --secondary-cta: #e7eecd;
+  --secondary-cta-text: #080908;
+  --accent: #35c18b;
+  --background-accent: #ecebe4;
 
   /* text sizing - set by ThemeProvider */
   /* --text-2xs: clamp(0.465rem, 0.62vw, 0.62rem);